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Edward A. Jamescaf59a52017-08-21 14:46:13 -05001Kernel driver ibm-cffps
2=======================
3
4Supported chips:
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -03005
Edward A. Jamescaf59a52017-08-21 14:46:13 -05006 * IBM Common Form Factor power supply
7
8Author: Eddie James <eajames@us.ibm.com>
9
10Description
11-----------
12
13This driver supports IBM Common Form Factor (CFF) power supplies. This driver
14is a client to the core PMBus driver.
15
16Usage Notes
17-----------
18
19This driver does not auto-detect devices. You will have to instantiate the
Mauro Carvalho Chehabccf988b2019-07-26 09:51:16 -030020devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
Edward A. Jamescaf59a52017-08-21 14:46:13 -050021details.
22
23Sysfs entries
24-------------
25
26The following attributes are supported:
27
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -030028======================= ======================================================
Edward A. Jamescaf59a52017-08-21 14:46:13 -050029curr1_alarm Output current over-current alarm.
30curr1_input Measured output current in mA.
31curr1_label "iout1"
32
33fan1_alarm Fan 1 warning.
34fan1_fault Fan 1 fault.
35fan1_input Fan 1 speed in RPM.
36fan2_alarm Fan 2 warning.
37fan2_fault Fan 2 fault.
38fan2_input Fan 2 speed in RPM.
39
40in1_alarm Input voltage under-voltage alarm.
41in1_input Measured input voltage in mV.
42in1_label "vin"
43in2_alarm Output voltage over-voltage alarm.
44in2_input Measured output voltage in mV.
45in2_label "vout1"
46
47power1_alarm Input fault or alarm.
48power1_input Measured input power in uW.
49power1_label "pin"
50
51temp1_alarm PSU inlet ambient temperature over-temperature alarm.
52temp1_input Measured PSU inlet ambient temp in millidegrees C.
53temp2_alarm Secondary rectifier temp over-temperature alarm.
54temp2_input Measured secondary rectifier temp in millidegrees C.
55temp3_alarm ORing FET temperature over-temperature alarm.
56temp3_input Measured ORing FET temperature in millidegrees C.
Mauro Carvalho Chehab1f234ff2019-04-17 06:46:26 -030057======================= ======================================================